Software written and designed by Builders for Builders Check our new app BUILDPRICES for IPad only £2.29 Back to Home Screen View in App Store £1.49 FOUNDATION-PAGE CONCRETE-FLOOR-PAGE RENDER-PLASTER-PAGE BRICK-BLOCK-PAGE To calculate how much concrete needed for any standard foundations just use the default setting of 2'- 3" wide x 9 inches thickness and simply edit the LENGTH to give the required amount in cubic yards in the green box and for smaller amounts where you might mix your own the blue boxes will tell how much aggregate, sand and bags of cement you will need. You can also edit the width and thickness boxes to any size you require. To calculate how much concrete needed for any standard Slab / Floor just use the default setting of 4 inches thick and simply edit the WIDTH box and the LENGTH to give the required amount in cubic yards in the green box and for smaller amounts where you might mix your own the blue boxes will tell how much aggregate, sand and bags of cement you will need. You can also edit the thickness box to any size you require. To calculate how much mortar or plaster needed for rendering any wall just use the default setting of 8/16ths THICK and simply edit the HEIGHT box and the LENGTH to give the required amount in cubic yards in the green box The blue boxes will tell how much sand and bags of cement you will need. You can also edit the thickness box plaster to any size you require. To calculate how many bricks or blocks needed for building any wall just use the default setting of 9' - 6" HEIGHT and simply edit the LENGTH box to give the required amount of bricks or blocks in the green boxes. The blue boxes will tell how much sand and bags of cement you will need. You can also edit the HEIGHT box to any size you require. These calculations are for single leaf/skin walls so you would need to double these figures for cavity walls of 2 leaves/skins.